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From: "Andreas Färber" <andreas.faerber@web.de>
To: Jan Kiszka <jan.kiszka@siemens.com>,
	Anthony Liguori <anthony@codemonkey.ws>
Cc: qemu-ppc <qemu-ppc@nongnu.org>,
	"Anthony Liguori" <aliguori@us.ibm.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	qemu-stable@nongnu.org
Subject: Re: [Qemu-devel] [RESEND][PATCH for-1.2] i82378: Remove bogus MMIO coalescing
Date: Fri, 17 Aug 2012 18:20:24 +0200	[thread overview]
Message-ID: <502E6F48.2050108@web.de> (raw)
In-Reply-To: <502E236C.6090508@siemens.com>

Am 17.08.2012 12:56, schrieb Jan Kiszka:
> This MMIO area is an entry gate to legacy PC ISA devices, addressed via
> PIO over there. Quite a few of the PIO ports have side effects on access
> like starting/stopping timers that must be executed properly ordered
> /wrt the CPU. So we have to remove the coalescing mark.
> 
> Acked-by: Hervé Poussineau <hpoussin@reactos.org>

(I would expect this to go under the SoB, documenting the chronological
order...)

> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

I had consented to this fix and expected it to go in alongside the
series this came in (kvm/uq-master?).

Anthony, do you want a prep PULL for this now? Otherwise explicitly:

Acked-by: Andreas Färber <andreas.faerber@web.de>

Regards,
Andreas

> ---
>  hw/i82378.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/hw/i82378.c b/hw/i82378.c
> index 9b11d90..2123c14 100644
> --- a/hw/i82378.c
> +++ b/hw/i82378.c
> @@ -225,7 +225,6 @@ static int pci_i82378_init(PCIDevice *dev)
>      pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->io);
>  
>      memory_region_init_io(&s->mem, &i82378_mem_ops, s, "i82378-mem", 0x01000000);
> -    memory_region_set_coalescing(&s->mem);
>      pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
>  
>      /* Make I/O address read only */
> 

      parent reply	other threads:[~2012-08-17 16:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-17 10:56 [Qemu-devel] [RESEND][PATCH for 1.2] i82378: Remove bogus MMIO coalescing Jan Kiszka
2012-08-17 11:13 ` Michael Tokarev
2012-08-17 12:17   ` Jan Kiszka
2012-08-17 16:20 ` Andreas Färber [this message]

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